Combined vacuum pump and control valves therefor



FIG. 1 is a top perspective view of a combined vacuum pump and control valves therefor showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a front elevational view thereof. 

The ornamental design for a combined vacuum pump and control valves therefor, substantially as shown. 